Light source lighting circuit and turn signal lamp

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United States of America Patent

PATENT NO 9974128
SERIAL NO

15539237

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A light source lighting circuit comprises a first lighting circuit for receiving current from the electric power supply line and supplying drive current to a first light source and a second lighting circuit for receiving the current from the electric power supply line and supplying drive current to a second light source. When a state of the drive current flowing to the first light source shows an abnormality, or when state of the drive current flowing to the second light source shows an abnormality, the first lighting circuit stops operation. When a state of the drive current flowing to the second light source shows an abnormality, or when a state of the drive current flowing to the first light source shows an abnormality, the second lighting circuit stops operation.

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Patent Owner(s)

Patent OwnerAddress
KOITO MANUFACTURING CO LTDTOKYO 108-8711

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ohta, Shinji Shizuoka, JP 43 287
Sawada, Masahiro Shizuoka, JP 47 951

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